DirecTV-15

from Wikipedia, the free encyclopedia
DirecTV-15
Start date May 27, 2015 at 9:16 PM UTC
Launcher Ariane 5 ECA
Launch site Center Spatial Guyanais
COSPAR-ID : 2015-026A
Takeoff mass 6205 kg
Dimensions 2.9 x 2.3 x 5.9 m
Span in orbit 45 m
Manufacturer Airbus Defense and Space
Satellite bus Eurostar E3000
lifespan 15th
Stabilization Three-axis stabilization
operator DirecTV
Playback information
Transponder 25 Ka-band, 32 Ku-band and 18 reverse-band transponders
Others
Electrical power 18 kW (EOL)
Power storage two lithium-ion batteries
position
First position 102.75 ° West
List of geostationary satellites

DirecTV-15 is a television satellite of the US satellite operator and program provider DirecTV .

He was appointed in autumn 2011 and on 27 May 2015 21:16 UTC with an Ariane-5 - rocket from the rocket launch site Guiana Space Center along with Sky Mexico 1 into a geostationary brought orbit.

The three-axis stabilized satellite is equipped with 25 Ka-band , 32 Ku-band and 18 reverse -band transponders and is intended to broadcast the USA with Alaska and Hawaii as well as Puerto Rico with television (including ultra- HD-4K). A reverse band is a usage variant of the electromagnetic spectrum in which the band range is used for the uplink that is used for the downlink elsewhere, and that for the downlink that is used for the uplink elsewhere. For attitude control as well as holding or changing the position, he has several two-fuel propulsion units operated by MMH and MON-3 with 10 Newtons of thrust, as well as electric propulsion units of the type SPT-100 (СПД-100) operated by the Russian design office Fakel from Kaliningrad and operated with xenon as support mass . These have thrust of 83 millinewtons each. DirecTV-15 was based on the satellite bus euro E3000 by Airbus Defense and Space built and has a design life of 15 years.

Web links

Individual evidence

  1. a b raumfahrer.net: Ariane 5 start: DirecTV 15 and Sky Mexico 1 in space , author: Axel Nantes, accessed on December 29, 2015